Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea; UGS Convergence Research Group, ETRI Electrconics and Telecommunications Research Institute, Daejeon, South Korea
UGS Convergence Research Group, ETRI Electrconics and Telecommunications Research Institute, Daejeon, South Korea; Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea
Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea; UGS Convergence Research Group, ETRI Electrconics and Telecommunications Research Institute, Daejeon, South Korea
Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea; UGS Convergence Research Group, ETRI Electrconics and Telecommunications Research Institute, Daejeon, South Korea
Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea
Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea
Smart Station Research Team, KRRI Korea Railroad Research Institute, Daejeon, South Korea
Geological Environment Division, KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea
UGS Convergence Research Group, ETRI Electrconics and Telecommunications Research Institute, Daejeon, South Korea